package com.xxd.spring.boot.demo.hexinglei.service;

import com.xxd.spring.boot.demo.hexinglei.entity.Student;
import com.xxd.spring.boot.demo.hexinglei.exception.MyException;

import java.util.List;

public interface StudentService {
    public Student stuFraction(String num) throws MyException;
    List<Student> all();
}
